/**
 * 学有为官网样式表
 * 采用模块化CSS架构，便于维护和扩展
 */

/* ===== 全局样式重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    scroll-behavior: smooth;
}

.app {
    min-height: 100vh;
}

/* ===== 通用容器样式 ===== */
.container {
    max-width: 100%;
    margin: 0 auto;
}

/* ===== 页面切换样式 ===== */
.page {
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.page.active {
    display: block;
    opacity: 1;
}

/* ===== 头部导航样式 ===== */
.header {
    background: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

/* Logo区域 */
.logo-section {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.logo-section:hover {
    transform: scale(1.02);
}

.logo-img {
    height: 45px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-size: 24px;
    font-weight: 100;
    color: #666;
}

/* 导航菜单 */
.nav {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    position: relative;
}

/* 桌面端导航菜单 */
.nav-menu.desktop-nav {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 20px;
}

/* 移动端导航菜单 - 默认隐藏 */
.mobile-nav-menu {
    display: none;
    list-style: none;
    margin: 0;
    padding: 0;
}

/* 移动端汉堡菜单按钮 - 默认隐藏 */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: #333;
    margin: 2px 0;
    transition: all 0.3s ease;
    border-radius: 1px;
}

/* 统一导航项样式 */
.nav-item,
.nav-link {
    padding: 12px 20px;
    cursor: pointer;
    font-weight: 500;
    color: #333;
    transition: all 0.3s ease;
    text-decoration: none;
    display: block;
    position: relative;
    border-radius: 6px;
}

.nav-item:hover,
.nav-link:hover {
    color: #409EFF;
    background-color: rgba(64, 158, 255, 0.08);
    transform: translateY(-1px);
}

.nav-item.active,
.nav-link.active {
    color: #409EFF;
    background-color: rgba(64, 158, 255, 0.12);
    font-weight: 600;
}

/* 导航项底部指示器 */
.nav-item::after,
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #409EFF;
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 1px;
}

.nav-item.active::after,
.nav-link.active::after {
    width: 60%;
}

.nav-item:hover::after,
.nav-link:hover::after {
    width: 40%;
}

/* ===== 按钮组件样式 ===== */
.btn {
    padding: 12px 32px;
    font-size: 16px;
    font-weight: 500;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
    user-select: none;
}

/* 按钮悬浮效果 */
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

/* 主要按钮样式 */
.btn-primary {
    background: linear-gradient(135deg, #409EFF 0%, #66b1ff 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(64, 158, 255, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #66b1ff 0%, #409EFF 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(64, 158, 255, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(64, 158, 255, 0.3);
}

/* 次要按钮样式 */
.btn-secondary {
    background: transparent;
    color: #409EFF;
    border: 2px solid #409EFF;
}

.btn-secondary:hover {
    background: #409EFF;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(64, 158, 255, 0.3);
}

/* 禁用状态 */
.btn:disabled,
.btn.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn:disabled::before,
.btn.disabled::before {
    display: none;
}

/* 英雄区域样式 */
.hero {
    background: white;
    color: #333;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 48px;
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #000;
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 40px;
    opacity: 0.9;
    color: #666;
}

.p-text {
    font-size: 14px;
    line-height: 1.4;
    margin-bottom: 40px;
    opacity: 0.8;
    color: #666;
}

.hero-img {
    width: 100%;
    height: 700px;
    object-fit: contain;
    border-radius: 12px;
    transition: transform 0.3s ease-out;
    transform-style: preserve-3d;
    cursor: pointer;
}

/* 服务区域样式 */
.services {
    padding: 80px 0;
    background: #34495e;
    color: #fff;
}

.services-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.services-title {
    text-align: center;
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 2rem;
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.services-grid {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.service-item {
    display: flex;
    align-items: center;
    gap: 60px;
}

.service-card {
    flex: 0 0 300px;
    width: 300px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgb(129, 188, 255);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: white;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(174, 212, 255, 0.418);
}

.service-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.service-text {
    flex: 1;
    font-size: 16px;
    line-height: 1.6;
    color: #fff;
    text-align: justify;
    padding: 0 20px;
}

.service-text h1 {
    font-size: 24px;
    margin-bottom: 16px;
    color: #fff;
}

数据分析区域 .data-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.data-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.data-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 20px;
}

.data-header h2 {
    font-size: 28px;
    font-weight: bold;
    color: #333;
    margin: 0;
}

.data-filters {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 16px;
    border: 1px solid #ddd;
    background: white;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background: #f5f5f5;
}

.filter-btn.primary {
    background: #409eff;
    color: white;
    border-color: #409eff;
}

.filter-btn.primary:hover {
    background: #337ecc;
}

.data-content {
    display: grid;
    grid-template-columns: 300px 200px 1fr;
    gap: 40px;
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.data-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.stat-avatar {
    width: 40px;
    height: 40px;
}

.avatar-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 16px;
}

.avatar-circle.red {
    background: #f56c6c;
}

.avatar-circle.blue {
    background: #409eff;
}

.avatar-circle.green {
    background: #67c23a;
}

.stat-info {
    flex: 1;
}

.stat-name {
    font-weight: 500;
    margin-bottom: 4px;
    color: #333;
}

.stat-time {
    font-size: 12px;
    color: #999;
}

.data-metrics {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.metric-label {
    color: #666;
    font-size: 14px;
}

.metric-value {
    font-weight: bold;
    font-size: 16px;
    color: #333;
}

.data-chart {
    display: flex;
    align-items: center;
    justify-content: center;
}

.chart-container {
    width: 100%;
    max-width: 400px;
}

.chart-bars {
    display: flex;
    align-items: end;
    gap: 8px;
    height: 120px;
    margin-bottom: 8px;
}

.chart-bar {
    flex: 1;
    background: #409eff;
    border-radius: 2px 2px 0 0;
    min-height: 4px;
    transition: all 0.3s ease;
}

.chart-bar:hover {
    background: #337ecc;
}

.chart-labels {
    display: flex;
    gap: 8px;
}

.chart-label {
    flex: 1;
    text-align: center;
    font-size: 12px;
    color: #666;
}

/* 解决方案区域 - 卡片悬浮切换效果 */
.solution-cards {
    padding: 80px 0 0 0;
    background: #ffffff;
}

.solution-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px 80px;
}

.solution-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
    color: #1a202c;
    font-weight: 700;
}

.solution-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 60px;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.solution-card {
    position: relative;
    height: 300px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: all 0.3s ease;
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.solution-card-front,
.solution-card-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 40px 30px;
    background: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    transition: all 0.3s ease;
    border-radius: 16px;
}

.solution-card-front {
    opacity: 1;
    transform: scale(1);
}

.solution-card-back {
    opacity: 0;
    transform: scale(0.95);
    background: #34495e;
    color: white;
}

/* PC端悬浮效果 */
@media (min-width: 945px) {
    .solution-card:hover .solution-card-front {
        opacity: 0;
        transform: scale(1.05);
    }

    .solution-card:hover .solution-card-back {
        opacity: 1;
        transform: scale(1);
    }
}

.solution-card-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #34495e;
    border-radius: 50%;
    padding: 20px;
}

.solution-card-icon img {
    width: 40px;
    height: 40px;
}

.solution-card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1a202c;
}

.solution-card-back .solution-card-title {
    color: white;
    margin-bottom: 20px;
}

.solution-card-desc {
    font-size: 1rem;
    line-height: 1.6;
    color: #64748b;
}

.solution-card-detail {
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
}

.solution-card-link {
    display: inline-block;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    font-weight: 500;
}

.solution-card-link:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* 企业文化区域样式 */
.slogan {
    padding: 80px 0;
    background: #fff;
    color: #000;
}

.slogan-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 60px;
    align-items: center;
}

.slogan-content {
    color: #6d6d6d;
}

/* 服务页面样式 */
.services-hero {
    background: linear-gradient(rgba(52, 73, 94, 0.7), rgba(52, 73, 94, 0.7)), url('../src/assets/service_achieve.jfif');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: white;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 160px 0 160px;
}

.services-title {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
}

.services-subtitle {
    font-size: 20px;
    font-weight: 700;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.services-detail {
    padding: 80px 0;
    background: #f8f9fa;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.detail-card {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.detail-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.detail-icon {
    font-size: 48px;
    margin-bottom: 20px;
    text-align: center;
}

.detail-card h3 {
    font-size: 24px;
    color: #333;
    margin-bottom: 15px;
    text-align: center;
}

.detail-card p {
    font-size: 16px;
    line-height: 1.6;
    color: #666;
    margin-bottom: 20px;
    text-align: center;
}

.detail-card ul {
    list-style: none;
    padding: 0;
}

.detail-card li {
    font-size: 14px;
    color: #555;
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.detail-card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

/* 案例页面样式 */
.cases-content {
    padding: 80px 0;
    background: #f8f9fa;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.case-item {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.case-item:hover {
    transform: translateY(-5px);
}

.case-item h3 {
    font-size: 24px;
    color: #333;
    margin-bottom: 16px;
}

.case-item p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

/* 团队页面样式 */
.team-content {
    padding: 80px 0;
    background: #f8f9fa;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.team-member {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
}

.member-avatar {
    font-size: 64px;
    margin-bottom: 20px;
}

.team-member h3 {
    font-size: 20px;
    color: #333;
    margin-bottom: 16px;
}

.team-member p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 联系我们页面样式 */
.contact-hero {
    background: #34495e;
    color: white;
    padding: 120px 0 80px;
    text-align: center;
}

.contact-title {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.contact-subtitle {
    font-size: 20px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.contact-content {
    padding: 80px 0;
    background: #f8f9fa;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2,
.contact-form h2 {
    font-size: 28px;
    color: #333;
    margin-bottom: 30px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 30px;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.info-icon {
    font-size: 24px;
    margin-top: 5px;
}

.info-content h3 {
    font-size: 18px;
    color: #333;
    margin-bottom: 8px;
}

.info-content p {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
    margin: 0;
}

/* 表单样式 */
.contact-form {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;
}

.submit-btn:hover {
    background: #5a6fd8;
    transform: translateY(-2px);
}

/* 关于我们页面样式 */
.about-hero {
    background: linear-gradient(rgba(52, 73, 94, 0.7), rgba(52, 73, 94, 0.7)), url('../src/assets/about.jfif');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: white;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 160px 0 160px;
}

.about-title {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
}

.about-subtitle {
    font-size: 20px;
    font-weight: 700;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.content-section {
    margin-bottom: 60px;
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.content-section h2 {
    font-size: 32px;
    color: #333;
    margin-bottom: 20px;
    border-bottom: 3px solid #667eea;
    padding-bottom: 10px;
}

.content-section p {
    font-size: 18px;
    line-height: 1.8;
    color: #666;
    margin-bottom: 20px;
}

.content-section ul {
    list-style: none;
    padding: 0;
}

.content-section li {
    font-size: 18px;
    line-height: 1.8;
    color: #666;
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
}

.content-section li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
    font-size: 20px;
}

/* 通用页面英雄区域样式 */
.page-hero {
    background: #34495e;
    color: white;
    padding: 120px 0 80px;
    text-align: center;
}

.page-hero h1 {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.page-hero p {
    font-size: 20px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* 页脚样式 */
.footer {
    background: #1a1a1a;
    color: #ccc;
    padding: 40px 0 15px;
}

/* 微信二维码样式 */
.wechat-qr-container {
    margin-top: 8px;
    text-align: center;
}

.wechat-qr-image {
    width: 110px;
    height: 110px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 8px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.wechat-qr-text {
    color: #ccc;
    font-size: 12px;
    margin: 0;
    font-weight: 400;
    line-height: 1.4;
}

/* Footer中的slogan样式 */
.footer-slogan {
    text-align: center;
}

.footer-slogan p {
    color: #ccc;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 8px;
    font-weight: 400;
}

.footer-slogan p:last-child {
    margin-bottom: 0;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 24px;
    text-align: center;
}

.footer-section h4 {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 12px;
    color: white;
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-section li {
    margin-bottom: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: color 0.3s ease;
}

.footer-section li:hover {
    color: #409eff;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.footer-contact {
    display: flex;
    align-items: center;
    gap: 20px;
}

.footer-contact p {
    font-size: 14px;
    margin: 0;
}

.footer-copyright p {
    font-size: 12px;
    margin: 0;
    opacity: 0.7;
}

.footer-copyright a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-copyright a:hover {
    color: #64b5f6;
    text-decoration: underline;
}

/* 时间线样式 */
.timeline-section {
    padding: 80px 0 120px;
    background: #34495e;
    position: relative;
    overflow: hidden;
}

.timeline-container {
    width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.timeline-title {
    text-align: center;
    font-size: 36px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 60px;
    position: relative;
}

.timeline-wrap {
    position: relative;
    width: 100%;
    height: 320px;
    margin-top: 42px;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.timeline-wrap::-webkit-scrollbar {
    display: none;
}

.timeline-list {
    display: flex;
    height: 100%;
    white-space: nowrap;
    padding-left: 40px;
}

.timeline-item {
    position: relative;
    width: 420px;
    flex-shrink: 0;
    margin-right: 0;
}

.timeline-item:first-child {
    margin-left: 0;
}

.timeline-year {
    padding: 60px 0 17px;
    font-size: 36px;
    line-height: 50px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 10px;
}

.timeline-content {
    width: 280px;
}

.timeline-desc {
    font-size: 16px;
    line-height: 28px;
    color: rgba(255, 255, 255, 0.9);
    white-space: pre-wrap;
    margin-bottom: 8px;
}

.timeline-dot {
    position: absolute;
    top: 45px;
    right: 380px;
    width: 12px;
    height: 12px;
    background: #ffffff;
    border: 3px solid #ffffff;
    border-radius: 50%;
    z-index: 2;
}

.timeline-line {
    position: absolute;
    top: 50px;
    right: -22px;
    width: 396px;
    height: 2px;
    background: rgba(255, 255, 255, 0.3);
    z-index: 1;
}

.timeline-item:last-child .timeline-line {
    display: none;
}

.timeline-controls {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.timeline-btn {
    width: 50px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: #ffffff;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.6);
    transform: scale(1.1);
}

.timeline-btn:active {
    transform: scale(0.95);
}

/* ===== 响应式设计 ===== */

/* 平板设备 (768px 及以下) */
@media (max-width: 768px) {
    /* 头部导航 */
    .header-container {
        padding: 0 15px;
        position: relative;
    }
    
    /* 显示移动端汉堡菜单按钮 */
    .mobile-menu-toggle {
        display: flex !important;
    }
    
    .mobile-menu-toggle:hover {
        background-color: rgba(64, 158, 255, 0.1);
    }
    
    /* 隐藏桌面端导航菜单 */
    .nav-menu.desktop-nav {
        display: none;
    }
    
    /* 汉堡菜单按钮激活状态动画 */
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
        background-color: #409EFF;
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
        transform: scale(0);
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
        background-color: #409EFF;
    }
    
    /* 汉堡菜单按钮悬浮效果增强 */
    .mobile-menu-toggle:hover span {
        background-color: #409EFF;
    }
    
    /* 汉堡菜单按钮点击反馈 */
    .mobile-menu-toggle:active {
        transform: scale(0.95);
    }
    
    .mobile-nav-menu {
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        display: none;
        padding: 20px 0;
        border-radius: 0 0 8px 8px;
        z-index: 1000;
    }

    .mobile-nav-menu.active {
        display: flex;
        animation: slideDown 0.3s ease-out;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .mobile-nav-menu .nav-link {
        padding: 15px 20px;
        border-radius: 0;
        margin: 0 10px;
        text-align: center;
    }
    
    .mobile-nav-menu .nav-link::after {
        display: none;
    }
    
    .mobile-nav-menu .nav-link.active {
        background-color: rgba(64, 158, 255, 0.15);
        border-radius: 6px;
    }
    
    /* 英雄区域 */
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
        padding: 0 15px;
    }

    .hero-title {
        font-size: clamp(28px, 5vw, 36px);
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-img {
        height: 400px;
        max-height: 50vh;
    }
    
    /* 服务区域 */
    .services-title {
        font-size: clamp(28px, 5vw, 36px);
        margin-bottom: 40px;
    }

    .service-item {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }

    .service-card {
        flex: none;
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }

    .service-text {
        padding: 0;
        text-align: center;
    }

    .service-image {
        display: none;
    }

    .services-grid {
        gap: 30px;
    }
    
    /* 关于页面 */
    .about-title,
    .page-hero h1 {
        font-size: clamp(28px, 5vw, 36px);
    }

    .about-subtitle,
    .page-hero p {
        font-size: 16px;
    }

    .content-section {
        padding: 30px 15px;
        margin-bottom: 30px;
    }

    .content-section h2 {
        font-size: 24px;
    }

    .content-section p,
    .content-section li {
        font-size: 16px;
    }
    
    /* 时间线 */
    .timeline-section {
        padding: 60px 0;
    }

    .timeline-title {
        font-size: clamp(24px, 4vw, 32px);
        margin-bottom: 30px;
    }

    .timeline-wrap {
        height: 280px;
        margin-top: 20px;
    }

    .timeline-list {
        padding-left: 15px;
    }

    .timeline-item {
        width: 300px;
        min-width: 280px;
    }

    .timeline-content {
        width: 220px;
    }

    .timeline-desc {
        font-size: 14px;
        line-height: 1.5;
    }

    .timeline-controls {
        margin-top: 20px;
        gap: 12px;
    }

    .timeline-btn {
        width: 40px;
        height: 40px;
    }
    
    /* 产品矩阵 */
    .part-title {
        flex-direction: column;
        gap: 0.5rem;
    }

    .part-title-one,
    .part-title-two {
        font-size: 1.8rem;
    }

    .part-title-line {
        width: 40px;
        height: 2px;
    }

    .product-matrix-desc {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    .product-list-pc {
        flex-direction: column;
        gap: 2rem;
    }

    .product-menu {
        padding: 1rem;
    }

    .product-menu.selected .product-desc,
    .product-menu.selected .product-more {
        opacity: 1;
        max-height: none;
    }
    
    /* 创始人板块 */
    .founder-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .founder-title {
        font-size: clamp(28px, 5vw, 36px);
    }

    .founder-subtitle {
        font-size: 18px;
    }

    .founder-description {
        font-size: 14px;
        text-align: left;
    }

    .founder-img {
        height: 300px;
    }
    
    /* 页脚 */
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
        padding: 0 15px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
        padding: 0 15px;
    }
}

/* 手机设备 (480px 及以下) */
@media (max-width: 480px) {
    /* 基础布局 */
    .container {
        padding: 0 10px;
    }
    
    /* 头部导航 */
    .header-container {
        padding: 0 10px;
        height: 56px;
    }
    
    .logo-img {
        height: 35px;
    }
    
    .logo-text {
        font-size: 18px;
    }
    
    /* 英雄区域 */
    .hero {
        padding: 40px 0;
    }
    
    .hero-container {
        gap: 30px;
        padding: 0 10px;
    }
    
    .hero-title {
        font-size: clamp(24px, 6vw, 32px);
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 14px;
    }
    
    .hero-img {
        height: 300px;
    }
    
    /* 按钮 */
    .btn {
        padding: 10px 24px;
        font-size: 14px;
    }
    
    /* 页脚 */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 0 10px;
        margin-bottom: 16px;
    }
    
    .footer-section h3 {
        font-size: 16px;
    }
    
    .footer-section li {
        font-size: 14px;
    }
    
    /* 标语区域 */
    .slogan-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .slogan-item {
        padding: 20px 15px;
    }
    
    .slogan-item h3 {
        font-size: 18px;
    }
    
    .slogan-item p {
        font-size: 14px;
    }

    /* 联系表单 */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contact-info {
        order: 2;
    }

    .contact-form {
        order: 1;
    }
    
    .form-group {
        margin-bottom: 15px;
    }
    
    .form-control {
        padding: 10px 12px;
        font-size: 14px;
    }

    /* 数据分析区域 */
    .data-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        padding: 0 10px;
    }
    
    .data-title {
        font-size: clamp(20px, 5vw, 28px);
    }

    .data-content {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 15px 10px;
    }

    .data-stats {
        order: 1;
    }

    .data-metrics {
        order: 2;
    }

    .data-chart {
        order: 3;
    }
    
    /* 时间线 */
    .timeline-item {
        width: 260px;
        min-width: 240px;
    }
    
    .timeline-content {
        width: 200px;
    }
    
    .timeline-year {
        font-size: 16px;
    }
    
    .timeline-desc {
        font-size: 12px;
    }
    
    .timeline-btn {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
    
    /* 内容区域 */
    .content-section {
        padding: 20px 10px;
    }
    
    .content-section h2 {
        font-size: 20px;
    }
    
    .content-section p,
    .content-section li {
        font-size: 14px;
    }
}

/* 产品矩阵区域样式 */
.product-matrix {
    padding: 100px 0;
    background: #ffffff;
    position: relative;
}

.product-matrix-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.part-title {
    text-align: center;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* 愿景与使命部分特殊样式 */
.product-matrix:last-child .part-title {
    text-align: left;
    justify-content: flex-start;
    margin-bottom: 3rem;
}

.product-matrix:last-child .product-matrix-desc {
    text-align: left;
    max-width: none;
    margin-left: 0;
    margin-right: 0;
    padding: 0;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #4a5568;
}

.part-title-one {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e293b;
}

.part-title-line {
    width: 60px;
    height: 3px;
    background: #34495e;
    border-radius: 2px;
}

.part-title-two {
    font-size: 2.5rem;
    font-weight: 700;
    background: #34495e;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-matrix-desc {
    text-align: center;
    font-size: 1.2rem;
    color: #64748b;
    margin-bottom: 6rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 20px;
    line-height: 1.6;
}

.product-matrix-content {
    margin-bottom: 3rem;
}

.product-list-pc {
    display: flex;
    gap: 4rem;
    align-items: flex-start;
    margin-bottom: 3rem;
}

.product-list-left {
    flex: 1;
    max-width: 500px;
    display: flex;
    flex-direction: column;
}

.product-list-right {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    position: relative;
}

.product-list-right img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: all 0.3s ease;
    border-radius: 0;
}

.product-menu {
    background: white;
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 120px;
}

.product-menu.selected {
    justify-content: flex-start;
}

.product-menu:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border-color: #e2e8f0;
}

.product-menu.selected {
    border-color: #3b82f6;
    background: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.15);
    justify-content: flex-start;
}

.product-menu-top {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.product-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.product-icon img {
    width: 30px;
    height: 30px;
}

.product-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
}

.product-desc {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 0;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.product-menu.selected .product-desc {
    opacity: 1;
    max-height: 100px;
    margin-bottom: 1rem;
}

.product-more {
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.product-menu.selected .product-more {
    opacity: 1;
    max-height: 50px;
}

.product-more a {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.product-more a:hover {
    color: #1d4ed8;
    transform: translateX(5px);
}

.product-cta {
    text-align: center;
    margin-top: 3rem;
}

.primary-btn {
    display: inline-block;
    background: #34495e;
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.4);
    background: linear-gradient(135deg, #1d4ed8, #7c3aed);
}



/* 创始人板块样式 */
.founder-section {
    padding: 100px 0;
    background: #ffffff;
    position: relative;
}

.founder-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.founder-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.founder-text {
    flex: 1;
}

.founder-title {
    font-size: 48px;
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #1e293b;
}

.founder-subtitle {
    font-size: 20px;
    line-height: 1.6;
    margin-bottom: 30px;
    color: #64748b;
    font-weight: 600;
}

.founder-description {
    font-size: 16px;
    line-height: 1.6;
    color: #64748b;
    margin-bottom: 0;
}

.founder-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.founder-img {
    width: 100%;
    object-fit: cover;
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.founder-img:hover {
    transform: scale(1.02);
}



/* 扁平按钮样式 */
.flat-button {
    margin-top: 0rem;
    display: inline-block;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

/* 选中状态下显示按钮 */
.product-menu.selected .flat-button {
    opacity: 1;
    max-height: 50px;
    margin-top: 1em;
}

.flat-button a {
    display: inline-block;
    padding: 8px 16px;
    background: #3b82f6;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.flat-button a:hover {
    background: #2563eb;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.flat-button a:active {
    transform: translateY(0);
    box-shadow: 0 1px 4px rgba(59, 130, 246, 0.2);
}

/* 禁用状态的按钮样式 */
.flat-button.disabled {
    cursor: not-allowed;
    pointer-events: none;
}

.flat-button.disabled span {
    display: inline-block;
    padding: 8px 16px;
    background: #cccccc;
    color: #666666;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    cursor: not-allowed;
}

.flat-button.disabled:hover span {
    background: #cccccc;
    transform: none;
    box-shadow: none;
}

/* 产品展示图片上下边缘渐变透明效果 */
#product-showcase-img {
    mask: linear-gradient(to bottom,
            transparent 0%,
            black 10%,
            black 90%,
            transparent 100%);
    -webkit-mask: linear-gradient(to bottom,
            transparent 0%,
            black 10%,
            black 90%,
            transparent 100%);
}

/* 荣誉照片墙样式 */
.award {
    padding: 60px 0 80px;
    background: #34495e;
}

.award-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 5rem;
    color: #fff;
    font-weight: 700;
}

.honor {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 50px;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.honor .item {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(255, 255, 255, 0.1);
    position: relative;
}

.honor .img-box {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3/2;
}

.honor-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.honor .text {
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    color: #2c3e50;
    line-height: 1.5;
    text-align: center;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    position: relative;
}

.honor .text::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #3498db, #2980b9);
    border-radius: 2px;
}

/* 照片墙响应式设计 */
@media (max-width: 768px) {
    .honor {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
        padding: 0 15px;
    }

    .honor .item:nth-child(odd),
    .honor .item:nth-child(even) {
        transform: none;
    }

    .honor .item:hover {
        transform: translateY(-8px) scale(1.01);
    }

    .honor .text {
        padding: 16px 20px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .honor {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .honor .text {
        padding: 14px 16px;
        font-size: 13px;
    }
}